Change Car Fuel Filter BMW 4-Series
Change Car Fuel Filter
Easy
0h45–1h00
~75–100£
| Estimated time | 0h45–1h00 |
|---|---|
| Estimated labour cost | ~75–100£ |
| Difficulty | Easy |
| Vehicles |
4-Series 2013-2020 28
4-Series 2020-2025 7
|
What is the role of the BMW 4-Series fuel filter?
The fuel filter retains all impurities from the fuel circuit. Modern injection systems operate at extremely high pressures with very fine tolerances, making effective fuel filtration critical to prevent damage to injectors and the high-pressure pump.
When should you change the BMW 4-Series fuel filter?
Generally replace every 20,000–60,000 km depending on the manufacturer. The filter should also be replaced if the vehicle has been left standing for a long period or if contaminated fuel has been used.
Is it difficult to change the BMW 4-Series fuel filter?
Difficulty level 2/5: technically easy. Key steps: locate the filter, disconnect any electrical connectors, remove the old filter, fit the new filter with new seals, prime the fuel system, start the engine and check for leaks.
2 models covered
| Model | Year Range | Engines covered | Fuel |
|---|---|---|---|
| 4-Series 2013-2020 | 2013-2020 | 418d Diesel (B47D20A), 418d Diesel (N47D20C), 418i Petrol (B38B15A), 420d Diesel (B47D20A), 420d Diesel (N47D20C), 420d, -xDrive Diesel (B47D20A), 420d, -xDrive Diesel (N47D20C), 420d, -xDrive M Performance Diesel (B47D20A), 420d, -xDrive M Performance Diesel (N47D20C), 420i, -x… | Diesel, Petrol |
| 4-Series 2020-2025 | 2020-2025 | 420d mHev, -xDrive 48V (MHEV),Diesel (B47D20B+JA1), 420d mHev, -xDrive 48V (MHEV),Diesel (B47D20B+JA1), 420i Petrol (B48B16A), 420i, xDrive Petrol (B48B20A), 430d mHev, xDrive 48V (MHEV),Diesel (B57D30B+JA1), 430i, -xDrive Petrol (B48B20B), M4 Competition, -xDrive Petrol (S58B30… | 48V (MHEV), Diesel, Petrol |
